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 ###Instrução: Quantos clubes tiveram 7 vitórias?
 ###Tabelas: CREATE TABLE main_characters (main_characters_id AUTO_INCREMENT PRIMARY KEY, Character VARCHAR, Portrayed by VARCHAR, First appearance VARCHAR, Last appearance VARCHAR, Duration VARCHAR, Episodes VARCHAR) CREATE TABLE daytona_500_results (daytona_500_results_id AUTO_INCREMENT PRIMARY KEY, Year INT, Manufacturer VARCHAR, Start VARCHAR, Finish VARCHAR, Team VARCHAR) CREATE TABLE hydro_power_stations_under_construction (hydro_power_stations_under_construction_id AUTO_INCREMENT PRIMARY KEY, S.no. INT, Power Plant VARCHAR, State VARCHAR, Total Capacity (MW) INT, Completion Schedule VARCHAR) CREATE TABLE alabama_counties_ranked_by_per_capita_income (alabama_counties_ranked_by_per_capita_income_id AUTO_INCREMENT PRIMARY KEY, County VARCHAR, Per capita income VARCHAR, Median household income 1,000,000 VARCHAR, Median family income VARCHAR, Population INT, Number of households INT) CREATE TABLE 2006_2007_table (2006_2007_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Won VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Points VARCHAR)  
SELECT COUNT Club FROM 2006_2007_table WHERE Won = 7